import java.util.Scanner;
public class Example3_4 {
  public static void main(String args[]){
    int number = 0;
    System.out.println("输入正整数（回车确定）");
    Scanner reader = new Scanner(System.in);
    number = reader.nextInt();
    switch(number){
	case 9:
	case 131:
	case 12:  System.out.println(number+"是三等奖");
                  break;
	case 209:
	case 596:
	case 27:  System.out.println(number+"是二等奖");
                  break;
	case 875:
	case 316:
	case 59:  System.out.println(number+"是一等奖");
                  break;
	default:  System.out.println(number+"未中奖");
    }
  }
}
